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104 lines
3.3 KiB
Python
104 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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"""修默认协议的判断。
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问题：用户写 `192.168.2.156:8080`（不带协议头）时，
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我之前一律补成 `https://` —— 但局域网中转服务的是**明文 HTTP**，
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补成 https 就永远连不上，而且报错信息很误导。
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判断规则：
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IP 地址 / localhost / .local -> http:// （局域网，明文）
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其它（域名） -> https:// （公网，必须加密）
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这样用户随便写 `192.168.2.156:8080` 或 `relay.xxmxxs.top` 都能对。
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"""
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from __future__ import annotations
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import re
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import sys
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from pathlib import Path
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RELAY = Path(r"C:\Users\shu\Desktop\deepseekagent\LanRemote\windows"
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r"\lanremote\relay.py")
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OLD = ''' candidates = []
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for piece in (url or "").replace(",", ";").split(";"):
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piece = piece.strip().rstrip("/")
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if not piece:
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continue
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if not piece.startswith(("http://", "https://")):
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piece = "https://" + piece
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if piece not in candidates:
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candidates.append(piece)'''
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NEW = ''' candidates = []
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for piece in (url or "").replace(",", ";").split(";"):
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piece = piece.strip().rstrip("/")
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if not piece:
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continue
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if not piece.startswith(("http://", "https://")):
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piece = _guess_scheme(piece) + piece
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if piece not in candidates:
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candidates.append(piece)'''
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HELPER_ANCHOR = '''def _ssl_context() -> ssl.SSLContext:'''
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HELPER = '''# 私有网段 + 回环，这些肯定是局域网，用明文 HTTP
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_PRIVATE_HOST = re.compile(
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r"^(?:localhost|127\\.|10\\.|192\\.168\\.|172\\.(?:1[6-9]|2\\d|3[01])\\.)"
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r"|^\\d{1,3}(?:\\.\\d{1,3}){3}(?::\\d+)?$" # 纯 IP（含公网 IP）
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r"|\\.local(?::\\d+)?$",
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re.IGNORECASE)
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def _guess_scheme(address: str) -> str:
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"""用户没写 http/https 时，猜一个。
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IP 地址 / localhost -> http://
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局域网里的中转服务是明文 HTTP。如果猜成 https，永远连不上，
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而且报的是 SSL 错误，很容易误导人去查证书。
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域名 -> https://
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走公网必须加密（Cloudflare 隧道本来就是 https）。
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"""
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host = address.split("/", 1)[0]
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return "http://" if _PRIVATE_HOST.match(host) else "https://"
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''' + HELPER_ANCHOR
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def main() -> int:
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text = RELAY.read_text(encoding="utf-8")
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ok = True
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# 需要 re 模块
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if "\nimport re\n" not in text:
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text = text.replace("import json\n", "import json\nimport re\n", 1)
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print(" 加了 import re")
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if "_guess_scheme" in text:
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print(" 已经加过协议猜测")
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else:
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for old, new, tag in ((OLD, NEW, "start() 用 _guess_scheme"),
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(HELPER_ANCHOR, HELPER, "_guess_scheme 函数")):
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if old not in text:
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print(f" [失败] {tag} —— 锚点没找到")
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ok = False
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continue
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text = text.replace(old, new, 1)
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print(f" {tag}")
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RELAY.write_text(text, encoding="utf-8", newline="\n")
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import ast
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try:
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ast.parse(text)
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print(" 语法 OK")
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except SyntaxError as exc:
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print(f" 语法错误: {exc}")
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ok = False
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return 0 if ok else 1
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if __name__ == "__main__":
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sys.exit(main())
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